Results 41 to 50 of about 3,030,245 (218)

CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results

The Astrophysical Journal Letters, 2023
We present the data release and data reduction process for the Epoch 1 NIRCam observations for the Cosmic Evolution Early Release Science Survey (CEERS). These data consist of NIRCam imaging in six broadband filters (F115W, F150W, F200W, F277W, F356W and
Micaela B. Bagley, Steven L. Finkelstein, Anton M. Koekemoer, Henry C. Ferguson, Pablo Arrabal Haro, Mark Dickinson, Jeyhan S. Kartaltepe, Casey Papovich, Pablo G. Pérez-González, Nor Pirzkal, Rachel S. Somerville, Christopher N. A. Willmer, Guang Yang, L. Y. Aaron Yung, Adriano Fontana, Andrea Grazian, Norman A. Grogin, Michaela Hirschmann, Lisa J. Kewley, Allison Kirkpatrick, Dale D. Kocevski, Jennifer M. Lotz, Aubrey Medrano, Alexa M. Morales, Laura Pentericci, Swara Ravindranath, Jonathan R. Trump, Stephen M. Wilkins, Antonello Calabrò, M. C. Cooper, Luca Costantin, Alexander de la Vega, Bryan Hilbert, Taylor A. Hutchison, Rebecca L. Larson, Ray A. Lucas, Elizabeth J. McGrath, Russell Ryan, Xin Wang, Stijn Wuyts   +39 more
doaj   +1 more source

The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope. II. Multi-object spectroscopy (MOS) [PDF]

Astronomy & Astrophysics, 2022
We provide an overview of the capabilities and performance of the Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope (JWST) when used in its multi-object spectroscopy (MOS) mode employing a novel Micro Shutter Array (MSA) slit device.
P. Ferruit, P. Jakobsen, G. Giardino, T. Rawle, C. A. de Oliveira, S. Arribas, T. L. Beck, S. Birkmann, T. Boker, A. Bunker, S. Charlot, G. de Marchi, M. Franx, A. Henry, D. Karakla, S. Kassin, N. Kumari, M. López-Caniego, N. Lutzgendorf, R. Maiolino, E. Manjavacas, A. Marston, S. Moseley, J. Muzerolle, N. Pirzkal, B. Rauscher, H. Rix, E. Sabbi, M. Sirianni, M. Plate, J. Valenti, C. Willott, P. Zeidler   +32 more
semanticscholar   +1 more source

Polarization Spectrum of Near-Infrared Zodiacal Light Observed with CIBER [PDF]

Astrophysical Journal, 2021
We report the first measurement of the zodiacal light (ZL) polarization spectrum in the near-infrared between 0.8 and 1.8 μm. Using the low-resolution spectrometer on board the Cosmic Infrared Background Experiment, calibrated for absolute ...
Kohji Takimoto, T. Arai, S. Matsuura, J. Bock, A. Cooray, R. Feder, P. Korngut, A. Lanz, Dae-hee Lee, T. Matsumoto, C. Nguyen, Y. Onishi, K. Sano, M. Shirahata, Aoi Takahashi, K. Tsumura, M. A. D. O. Physics, School of Materials Science, Technology, Kwansei Gakuin University, Department of Astrophysics, I. O. Space, Astronautical Science, Japan Aerospace Exploration Agency, D. Physics, California institute of Technology, Jet Propulsion Laboratory, N. Aeronautics, Space Administration, Center for Particle Cosmology, U. California, The Observatories of the Carnegie Institution for Science, Korea Astronomy, Space Telescope Science Institute, D. Engineering, School of Electrical Engineering, Kyushu Institute of Technology, A. Center, National Astronomical Observatory Bulgarian Academy of Sciences, Department of Computer Science, Faculty of Computer Science, Engineering, T. University, Center for Detectors, S. O. Physics, Astronomy, R. I. O. Technology   +46 more
semanticscholar   +1 more source

High-angular-resolution Imaging of the V892 Tau Binary System: A New Circumprimary Disk Detection and Updated Orbital Constraints

The Astrophysical Journal, 2023
We present a direct imaging study of V892 Tau, a young Herbig Ae/Be star with a close-in stellar companion and circumbinary disk. Our observations consist of images acquired via Keck II/NIRC2 with nonredundant masking and the pyramid wavefront sensor at $
Christina L. Vides, Steph Sallum, Josh Eisner, Andy Skemer, Ruth Murray-Clay   +4 more
doaj   +1 more source

Highly luminescent colloidal CdS quantum dots with efficient near-infrared electroluminescence in light-emitting diodes [PDF]

, 2016
We acknowledge financial support from FP7 project “Laser Induced Synthesis of Polymeric Nanocomposite Materials and Development of Micro-Patterned Hybrid Light Emitting Diodes (LED) and Transistors (LET)”-LAMP (Project G.A.247928). A.K.B.
Zhang, S., LANZI, MASSIMILIANO, Samuel, I. D. W., Antolini, F, Lanzi, M, Samuel, Ifor David William, Bansal, Ashu Kumar, Orlotani, L, Serra, E., Bansal, A. K., ANTOLINI, FRANCESCO, Serra, E, STROEA, LENUTA, Allard, S, Stroea, L, ORTOLANI, LUCA, Scherf, U, Zhang, Shuyu, Scherf, U., Allard, S.   +19 more
core   +1 more source

The use of near infrared (NIR) spectroscopy to improve soil mapping at the farm scale [PDF]

, 2008
The creation of fine resolution soil maps is hampered by the increasing costs associated with conventional laboratory analyses of soil. In this study, near infrared (NIR) reflectance spectroscopy was used to reduce the number of conventional soil ...
Söderström, Mats, Stenberg, Bo, Wetterlind, Johanna   +2 more
core   +2 more sources

Validation of the near infrared spectroscopy method for determining soil organic carbon by employing a proficiency assay for fertility laboratories [PDF]

, 2021
Current research indicates that near infrared (NIR) spectroscopy is the most promising alternative technique for the determination of soil organic carbon (SOC) in laboratories worldwide and that it may serve as a total or partial replacement for the ...
Valderrama, Patrícia, Filgueiras, Paulo Roberto, Fontana, Ademir, Winkler, Thayane Christine Barbosa, Souza, André Marcelo de, Coelho, Maurício Rizzato, Poppi, Ronei Jesus   +6 more
core   +1 more source

The application of near infrared spectroscopy in nutritional intervention studies [PDF]

, 2013
Functional near infrared spectroscopy (NIRS) is a non-invasive optical imaging technique used to monitor cerebral blood flow (CBF) and by proxy neuronal activation.
Kennedy, David, Philippa A Jackson, David O. Kennedy, David O Kennedy, Philippa A. Jackson, Jackson, Philippa   +5 more
core   +1 more source

CRIRES high-resolution near-infrared spectroscopy of diffuse interstellar band profiles. Detection of twelve new DIBs in the YJ band and an introduction of a combined ISM sight line and stellar analysis approach [PDF]

Astronomy & Astrophysics, 2022
A high spectral resolution investigation of diffuse interstellar bands (DIBs) in the near-infrared ($YJ$ band) is conducted to test new methods, to confirm and improve existing parameters, and to search for new DIBs.
Alexander Ebenbichler, A. Postel, N. Przybilla, A. Seifahrt, D. Weßmayer, W. Kausch, M. Firnstein, K. Butler, H. Kaufl, A. Kaufer, Harold Linnartz Institut fur Astro- und Teilchenphysik, U. Innsbruck, D. O. Astronomy, Astrophysics, U. Chicago, D. Remeis-Sternwarte, Erlangen Centre for Astroparticle Physics, Friedrich-Alexander-Universitat Erlangen-Nurnberg, Lmu Munchen, E. Observatory, Laboratory for Multiwavelength Astrophysics, L. Observatory   +21 more
semanticscholar   +1 more source

The effect of the impact of comet Shoemaker Levy‐9 on Jupiter's aurorae [PDF]

, 1995
We present infrared spectra and images of the jovian aurorae taken at wavelengths sensitive to the H-3(+) molecular ion during the period around the impact of Comet Shoemaker Levy-9.
Tennyson, J., BAINES, K, Baines, K., JOSEPH, RD, BROOKE, TY, Dinelli, B. M., GEBALLE, TR, Lam, H. A., DINELLI, BM, Geballe, T. R., TRAFTON, LM, TENNYSON, J, JAGOD, MF, Miller, S., Brooke, T. Y., ACHILLEOS, N, Joseph, R. D., Orton, G., BALLESTER, GE, Trafton, L. M., MILLER, S, LAM, HA, ORTON, G, Jagod, M.‐f., Ballester, G. E., Achilleos, N.   +25 more
core   +1 more source